Home / 22,757.12-34,131.36-7,170.56

Finding the Fourth Proportional to 22,757.12, 34,131.36 and 7,170.56

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Solution

The fourth proportional to 22,757.12, 34,131.36 and 7,170.56 is: 10,754.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,757.12 : 34,131.36 = 7,170.56 : x
  2. Step 2: Convert to fraction form
    22,757.12/34,131.36 = 7,170.56/x
  3. Step 3: Cross multiply
    22,757.12x = 34,131.36 × 7,170.56
  4. Step 4: Simplify right side
    22,757.12x = 244,740,964.76
  5. Step 5: Solve for x
    x = 244,740,964.76/22,757.12
  6. Step 6: Final answer
    x = 10,754.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.